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WO2004053231A1 - Voie pour vehicule guide sur rails, son procede de production et support plan fonctionnel - Google Patents

Voie pour vehicule guide sur rails, son procede de production et support plan fonctionnel Download PDF

Info

Publication number
WO2004053231A1
WO2004053231A1 PCT/EP2003/013793 EP0313793W WO2004053231A1 WO 2004053231 A1 WO2004053231 A1 WO 2004053231A1 EP 0313793 W EP0313793 W EP 0313793W WO 2004053231 A1 WO2004053231 A1 WO 2004053231A1
Authority
WO
WIPO (PCT)
Prior art keywords
stator
openings
package
tube
carrier
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/EP2003/013793
Other languages
German (de)
English (en)
Inventor
Dieter Reichel
Theodor Frisch
Ralf Waidhauser
Udo Hiller
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Max Boegl Bauunternehmung GmbH and Co KG
Original Assignee
Max Boegl Bauunternehmung GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Max Boegl Bauunternehmung GmbH and Co KG filed Critical Max Boegl Bauunternehmung GmbH and Co KG
Priority to AU2003294800A priority Critical patent/AU2003294800A1/en
Publication of WO2004053231A1 publication Critical patent/WO2004053231A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B25/00—Tracks for special kinds of railways
    • E01B25/30—Tracks for magnetic suspension or levitation vehicles
    • E01B25/32—Stators, guide rails or slide rails

Definitions

  • the present invention relates to a travel path for a track-bound vehicle of a magnetic levitation railway with a carrier, at least one functional part arranged on the carrier for guiding the vehicle and a stator package consisting of several stator plates, the functional part having a stator carrier belt on which the stator package is arranged and a method for producing such a route and a corresponding functional level carrier.
  • connection bodies on which equipment parts in the form of stator packs are arranged with the aid of traverses.
  • the traverses run transversely to the longitudinal extension of the stator packs and are connected to the stator packs with the aid of a positive tongue and groove connection and additional adhesive.
  • the stator packs have grooves, into which the cross members are inserted and fixed with the aid of an adhesive. The crossbeams are then screwed onto the connection body.
  • DE 197 35 471 C1 also shows a route of a magnetic high-speed train with guide rails and stator packs.
  • the stator packs are fastened to a belt-like stator carrier, for which purpose cross-piece-like connecting elements, as well as screw bolts and nuts, are provided on both sides and positively in undercuts of grooves.
  • Three truss-like connecting elements are used to fasten each stator package to the stator carrier.
  • the length of the connecting elements is greater than the width of the stator packs and approximately the same width as the belt-like stator carrier. Grooves for fastening the stator packs are provided both in the stator packs themselves and in the stator carrier.
  • stator packs which have transverse slots and in which slot crossbars are inserted.
  • the groove crossbars are non-positively and positively connected to the carrier's flange flanges.
  • the web flanges have rather on which screws are inserted.
  • the grooved traverses have through holes with an internal thread running perpendicular to the web flanges, with which they are screwed to the web flanges.
  • the stator consists of a stator laminated core, laminated core screw connections and slot nuts. It is attached to the underside of the carriageway lower flange of a magnetic track guideway using the sliding blocks.
  • stator packs are not connected directly to the carrier, but always have separate crossbeams which are connected to the stator packs. The trusses are then connected to the track.
  • the disadvantage here is that both additional components and additional connecting devices are required.
  • Each connecting device also has the disadvantage that the very precisely positioned stator elements are misaligned when the connecting element is loosened and therefore require additional maintenance to check the seating of the connecting elements.
  • the production is also more expensive because, on the one hand, connection points on the stator element and the crossmember and on the other hand on the crossmember and the support have to be machined.
  • the object of the present invention is therefore to avoid the disadvantages mentioned.
  • the stator package is arranged on a stator support belt of the functional part.
  • the stator carrier belt is U-shaped.
  • the stator sheets have openings by means of which they are threaded onto a tube and / or bolt. They are fastened in the openings of the legs of the stator carrier belt with the bolt or bolts.
  • the functional parts can be arranged in a compact functional plane carrier, which can be easily screwed onto the carrier after assembly with the stator packages. This means that there is enough space available for installing the stator packages. In this way, a quick and reliable fastening is advantageously created.
  • a positionally accurate connection of the stator pack and the connecting device is advantageously obtained by bringing the stator pack into its desired position and fixing it. Then the openings of the legs of the stator support belt and the openings of the stator plates or the tube are made together, i.e. honed in one setup. Finally, the bolt for connecting the stator package to the stator carrier belt is inserted into the common opening. The bolt can be glued or shrunk in the opening. It is also possible to create a tension connection with the bolt. In this case, the machining of the end faces of the tube and the corresponding contact surfaces of the legs are required. The stator package then has a defined position in relation to the connection device and the carrier.
  • a travel path according to the invention for a track-bound vehicle of a magnetic levitation railway has a carrier, at least one functional part arranged on the carrier for guiding the vehicle and a stator package consisting of several stator laminations.
  • the functional part which is often arranged on the brackets of a girder, has side guide and setting rails in addition to the stator package and can be preassembled as a compact unit, called a functional level girder, and attached to the concrete or steel girder, for example.
  • the functional part has a stator carrier belt on which the stator package is arranged. A large number of stator packages are usually strung together along the route. Each of the stator packs is attached to the carrier or to the stator carrier belt.
  • the stator support belt is U-shaped and there are openings in the legs of the stator support belt which correspond to openings in the stator plates for fastening the stator package to the stator support belt avoided.
  • the stator sheets are already shaped so that they allow an extremely stable attachment to the stator support belt. Trusses with two separately machined joints, one on the stator plate and the crossbar and the second on the crossbar and the stator support belt, are no longer required. Only one connection surface is required per fastening point in order to be able to fasten the stator package in the correct position. An assembly of a separate component in the stator package or the machining of the contact point between cross-beam and stator package is therefore no longer necessary.
  • the openings in the stator sheets are advantageously threaded onto a tube.
  • the opening of the stator stack is reinforced with a tube.
  • At least one bolt, with which the stator package is connected to the legs of the stator carrier belt, runs inside the tube and ensures uniform loading of the stator laminations in the stator package.
  • stator package and the stator carrier belt are advantageously glued and / or bolted and / or screwed together. Permanent positioning of the stator package is brought about, in particular, with synthetic resin bonding. The connection is also extremely tamper-proof. As a result, inspection and maintenance of the position of the stator packs can be carried out with very little effort.
  • a device for redundant fastening of the stator package is advantageously arranged on the legs of the stator carrier belt.
  • the device for redundant fastening are pins or sheets which interact with the pipe in the event of the fastening device failing. In this case, an optical check with regard to the functionality of the main connection is possible.
  • the stator package moves so far out of its working position that it can already be determined by a simple check that the main connection has failed.
  • the redundant connection ensures that the vehicle is not endangered.
  • the redundant connection can be implemented in a particularly simple manner. In the event of failure of the main connection, the redundant fastening means interact with the protruding pipes.
  • stator package has reinforcement plates on the side to which the tube is fastened, then a particularly good cohesion of the stator plates is achieved.
  • Ventilation openings are arranged in the stator carrying belt and / or the stator packs are arranged at a sufficient distance from the U-shaped stator carrying belt.
  • the functional level carrier of a guideway for a track-bound vehicle of a magnetic levitation railway has functional parts for guiding the vehicle and, on a stator carrier belt, a fastening device for a stator package consisting of several stator sheets.
  • the stator carrier belt is U-shaped and openings are arranged in the legs of the stator carrier belt, which correspond to openings in the stator plates for fastening the stator package to the stator carrier belt.
  • stator package is fastened to the stator carrier belt with at least one bolt projecting through the openings of the stator carrier belt and through the openings of the stator package or the tube, then a reliable and strong fastening of the stator packages is obtained.
  • stator package is fastened with a tension screw running through the tube, it is very easy to align the stator package in the stator carrier belt. After the alignment, the stator package is fixed in position with the clamping screw.
  • a safety device is created which, in the event of failure of the main connection with the bolt, prevents a critical driving state of the vehicle from being maintained.
  • the device for redundant fastening is one or more pins or sheets which cooperate with the tube in the event of the fastening device failing. Redundancy bolts can also be used for this purpose, which are inserted with a clearance fit in a hole in the stator plates and take on a visible supporting function if the actual fasteners fail. If the device for redundant fastening is a redundant space between the tube and the clamping screw, the same effect is achieved.
  • stator carrier belt has ventilation openings, the heat of the stator packs can be dissipated well.
  • stator pack is laterally delimited by stator end plates, a firm, compact construction of the stator pack is achieved, in which the stator pack can be permanently secured.
  • FIG. 1 shows a part of a carrier with a functional part in cross section
  • FIG. 2 shows a perspective view of a functional part with a stator package
  • FIG. 3 shows a sectional view of a stator core being attached to a functional part
  • FIG. 4 shows a perspective illustration of a stator package
  • FIG. 5 shows a cross section through a further exemplary embodiment of the invention
  • Figure 6 is a side view of a functional part
  • Figure 7 shows a section of a fastening with redundancy clearance.
  • FIG. 1 shows part of a cross section of a carrier 1, on the upper flange of which a functional part 2 is arranged.
  • the functional part 2 has a lateral guide surface 3 and a set-down surface 4.
  • a stator carrier belt 5 and a stator package 6 attached to it are arranged on the underside of the functional part 2.
  • a vehicle of a magnetic levitation train is guided and driven by the side guide surface 3, the settling surface 4 and the stator pack 6.
  • the position of the functional part 2 with its guide surfaces and the stator pack 6 arranged thereon must be dimensionally very precise, in particular in relation to a further functional part 2, not shown, which is located at the other end of the upper belt of the carrier 1, in order to ensure that the vehicle is exact to be able to lead and drive.
  • the functional part 2 is therefore designed as a functional level carrier, which is pre-assembled and screwed onto the carrier 1.
  • FIG. 2 shows a perspective view of a functional part 2.
  • Three stator packs 6 are arranged one behind the other on the stator carrier belt 5, only one of which is shown here for reasons of better clarity.
  • Each of the stator packs 6 is connected to the stator support belt 5 by three bolts 13.
  • the stator packs 6 are pushed into the U-shaped stator support belt 5 from below and aligned there and then permanently fixed. The fixation can take place by screwing the stator package 6 onto the stator carrier belt 5 or by gluing the stator package 6 to the stator carrier belt 5 or clamping it with the bolt 13.
  • the stator pack 6 is shown in a perspective view. It has three openings 11 and three tubes 12, each of which corresponds to the openings 10.
  • the stator package consists of a large number of individual stator laminations 16 which are packed together. For the sake of clarity, the stator sheets 16 are not shown in all of the illustrations.
  • the stator support belt 5 is U-shaped and integrated in the functional support.
  • the stator pack 6 is arranged within the U-shape.
  • the stator pack 6 or the individual stator laminations 16, which, in a row, form the stator pack 6, have openings 11. Openings 10 in the stator carrier belt 5 correspond to the openings 11.
  • a bolt 13 is pushed and fixed through the openings 10 and 11.
  • the fixation can take place by means of a screw thread and nut or by means of locking pins or locking washers, which ensure that the bolt 13 cannot get out of the locking position, for example due to vibrations.
  • the bolt 13 can also be shrunk in a particularly advantageous manner by first cooling it, then inserting it and clamping it in the openings 10 and 11 or in a tube 12 due to the expansion during its subsequent heating. In this case it is advantageous if the through openings have been honed in order to obtain an exact position of the stator stack.
  • the tube 12 is inserted to reinforce the opening 11 in the stator pack 6.
  • the tube 12 is firmly connected to the stator package 6 and, in addition to the reinforcement, also ensures a central positioning of the stator package 6 within the U-shaped stator carrier belt 5.
  • Side plates can be arranged on the side of the stator package 6, which additionally position the stator packages within the stator carrier belt 5 guarantee and ensure compact cohesion of the individual stator laminations 6.
  • Pins 25 are arranged below the openings 10 of the legs of the stator support belt 5.
  • the pins 25 represent a redundant fastening of the stator packet 6. If the bolt connection fails, the stator packet 6 sinks onto the pins 25.
  • the stator Package 6 is therefore no longer in alignment with the other stator packs of the carrier 1 and can therefore be seen very quickly.
  • the bagged stator 6 is still able to guide a vehicle in a makeshift manner so that driving is not endangered.
  • FIG. 4 shows a perspective illustration of a stator stack 6 from FIG. 3. It can be seen from this that in the regions in which the stator stack 6 is fastened, the stator laminations 16 and the stator stack 6 protrude beyond the longitudinal extent of the stator laminations 16. In this way, a lower material consumption of the stator laminations 16 is achieved compared to a uniform longitudinal extension of the stator stack 6. In addition, there is a relatively large distance between the stator packs 6 and the stator carrier belt 5 between the suspensions, as a result of which the heat generated at the stator elements can be dissipated better.
  • Figure 5 shows a cross section through a further embodiment of the invention.
  • a stator carrier belt 5 with two legs is in turn arranged on the functional part 2.
  • the two legs have openings 10, through which a bolt 13 projects in this exemplary embodiment.
  • the two bolts 13 each end in a bore 31 of the tube 12.
  • the tube 12 is not completely hollow, but consists of a solid material which has been drilled out on the end faces in accordance with the dimensions of the bolts 13.
  • the bores 31 are advantageously made together with the openings 10 or at least finished to create a fit for the bolts 13.
  • the bolts 13 are preferably fastened with a shrink fit in the bores 31 in order to bring about a defined position of the stator stack 6.
  • FIG. 6 shows a partial side view of a functional part 2.
  • a stator pack 6 has the stator end plate 30 on the side.
  • the stator package 6 is connected to the stator support belt 5 by four bolts 13. The bolts 13 ensure the defined position of the stator stack 6, for example by means of a shrink fit in the previously described tube 12 of the stator stack 6.
  • FIG. 6 shows a partial side view of a functional part 2.
  • a stator pack 6 has the stator end plate 30 on the side.
  • the stator package 6 is connected to the stator support belt 5 by four bolts 13.
  • the bolts 13 ensure the defined position of the stator stack 6, for example by means of a shrink fit in the previously described tube 12 of the stator stack 6.
  • a further two bolts 32 are provided, which are fitted with a clearance fit with the stator end plates 30 or the stator pack 6 are connected. If the bolts 13 fail, ie are no longer able to hold the stator package 6 stable when a vehicle is being driven over, there is redundancy in the attachment of the stator package 6 with these bolts 32. Due to the clearance fit, which causes a certain offset of the stator pack 6 in comparison to the correct fastening with the bolts 13, a fault disclosure is given. The vehicle thus recognizes that the stator packet 6 is not in the correct position during a crossing and can signal this faulty state. However, the safety of the vehicle in such a crossing is not endangered
  • FIG. 7 shows a section of an attachment with redundancy clearance similar to FIG. 3.
  • the stator pack 6 also has a stator end plate 30 here.
  • the tube 12 protrudes through the stator package 6 and the stator end plate 30.
  • the tube 12 is connected to the stator end plate, for example by a weld.
  • the inner diameter of the tube 12 is significantly larger than the outer diameter of the bolt 13, which runs through the tube 12.
  • bolt 13 is designed as a tensioning screw, which holds the stator packet 6 in a defined position in relation to the stator carrier belt 5.
  • the leg of the stator carrier belt 5 has a contact surface 34, which has been machined and defined, for example.
  • the end face of the tube 12 was also machined and fits with the contact surface 34 in such a way that the tube 12 can be clamped between the two legs of the stator support belt 5 with the tensioning screw or the bolt 13. Should the clamping force of the bolt 13 decrease, the stator packet 6 sags by a redundancy space 33.
  • the redundancy clearance 33 results from the difference between the inside diameter of the tube 12 and the outside diameter of the bolt 13 and is located above the bolt 13. The stator packet 6 thus sagging at most by Height of the redundancy clearance 33. This sagging can in turn be determined and signaled by a vehicle.
  • the present invention is not limited to the exemplary embodiments shown.
  • the stator support belt 5 can, for example, have openings on the legs or at the base of the U for better ventilation of the stator packs.
  • the stator laminations 16 can also be provided laterally with an end plate in the figures which do not represent this, for better cohesion.
  • a particular advantage with a corresponding embodiment of the invention is the reliable and quick ability to install the stator packs on the functional part and the possibility of preassembly before the functional part is attached to the carrier. Combinations of the features of the individual exemplary embodiments also fall under the invention.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Linear Motors (AREA)
  • Control Of Vehicles With Linear Motors And Vehicles That Are Magnetically Levitated (AREA)
  • Non-Mechanical Conveyors (AREA)

Abstract

L'invention concerne une voie conçue pour un véhicule guidé sur rails à sustentation magnétique, comprenant un support (1), au moins une pièce fonctionnelle (3, 4, 6) disposée sur ce support (1) pour guider le véhicule, ainsi qu'un paquet de tôles statoriques (6) constitué de plusieurs tôles statoriques (16). Ladite pièce fonctionnelle (3, 4, 6) comporte une ceinture de support de tôles statoriques (5) contre laquelle le paquet de tôles statoriques (6) est disposé. Cette ceinture (5) présente la forme d'un U dont les branches sont pourvues d'ouvertures (10) qui correspondent aux ouvertures (11) ménagées dans les tôles statoriques (16) pour fixer le paquet de tôles statoriques (6) sur la ceinture de support de tôles statoriques (5). Lesdites tôles statoriques (16) comportent des ouvertures (11) qui permettent de les enfiler sur un tuyau (12) et/ou une cheville (13) et ces tôles statoriques sont ensuites fixées dans les ouvertures (10) ménagées dans les branches de ladite ceinture (5) au moyen de ladite cheville (13).
PCT/EP2003/013793 2002-12-06 2003-12-05 Voie pour vehicule guide sur rails, son procede de production et support plan fonctionnel Ceased WO2004053231A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2003294800A AU2003294800A1 (en) 2002-12-06 2003-12-05 Track for a rail-based vehicle, production method and functional-plane support

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10257340.9 2002-12-06
DE2002157340 DE10257340A1 (de) 2002-12-06 2002-12-06 Fahrweg für ein spurgebundenes Fahrzeug sowie ein Verfahren zum Herstellen eines solchen Fahrweges und Funktionsebenenträger eines Fahrweges

Publications (1)

Publication Number Publication Date
WO2004053231A1 true WO2004053231A1 (fr) 2004-06-24

Family

ID=32336126

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2003/013793 Ceased WO2004053231A1 (fr) 2002-12-06 2003-12-05 Voie pour vehicule guide sur rails, son procede de production et support plan fonctionnel

Country Status (4)

Country Link
CN (1) CN1839231B (fr)
AU (1) AU2003294800A1 (fr)
DE (1) DE10257340A1 (fr)
WO (1) WO2004053231A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7334526B2 (en) 2004-03-11 2008-02-26 Siemens Aktiengesllschaft Method for securing a laminated core for the stator winding of a linear motor to the track
WO2008061735A1 (fr) * 2006-11-22 2008-05-29 Industrieanlagen-Betriebsgesellschaft Mbh Élément longitudinal de voie ferrée magnétique, voie ferrée magnétique avec un tel élément longitudinal et procédé de fixation d'un tel élément longitudinal ou plus
WO2010017889A1 (fr) * 2008-08-15 2010-02-18 Thyssenkrupp Transrapid Gmbh Support de voie pour véhicules à sustentation magnétique
CN112436708A (zh) * 2019-08-26 2021-03-02 中车株洲电力机车研究所有限公司 直线电机初级铁芯及其制造方法、直线电机初级和直线电机

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Publication number Priority date Publication date Assignee Title
DE102004012246A1 (de) * 2004-03-12 2005-09-29 Siemens Ag Fahrweg eines Magnetschwebefahrzeugs
CN103683706B (zh) * 2012-09-06 2016-05-11 永元电机(苏州)有限公司 马达定子组装结构
CN103904788B (zh) * 2012-12-28 2016-06-01 永元电机(苏州)有限公司 马达的定子组装结构
KR102386207B1 (ko) * 2020-06-08 2022-04-13 주식회사 포스코 가이드튜브 및 이를 포함하는 하이퍼루프장치

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DE3928277C1 (fr) 1989-07-25 1990-12-13 Thyssen Industrie Ag, 4300 Essen, De
DE4132959A1 (de) 1991-10-04 1993-04-08 Magnet Bahn Gmbh Redundante befestigung von verschraubten statoren eines magnetbahnsystems
US5291834A (en) * 1989-09-23 1994-03-08 Magnetbahn Gmbh Rail for magnetic levitation vehicle
DE4306166A1 (de) * 1993-02-27 1994-09-01 Magnetbahn Gmbh Fahrweg für Magnetschwebefahrzeuge
JPH0937413A (ja) * 1995-07-20 1997-02-07 Kimigafuchi Gakuen 磁気浮上走行システムにおける磁気レールの取付機構
DE19735471C1 (de) 1997-08-16 1999-01-07 Stahlbau Lavis Gmbh Fahrwegelement
DE19734703A1 (de) * 1997-08-11 1999-03-11 Thyssen Transrapid System Gmbh Anordnung zur Befestigung von Ausrüstungsteilen am Fahrweg von spurgebundenen Fahrzeugen, insbesondere Magnetschwebebahnen
DE19931367A1 (de) 1999-07-07 2001-01-11 Stahlbau Plauen Gmbh Fahrwegträger

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DE3928277C1 (fr) 1989-07-25 1990-12-13 Thyssen Industrie Ag, 4300 Essen, De
US5291834A (en) * 1989-09-23 1994-03-08 Magnetbahn Gmbh Rail for magnetic levitation vehicle
DE4132959A1 (de) 1991-10-04 1993-04-08 Magnet Bahn Gmbh Redundante befestigung von verschraubten statoren eines magnetbahnsystems
DE4306166A1 (de) * 1993-02-27 1994-09-01 Magnetbahn Gmbh Fahrweg für Magnetschwebefahrzeuge
JPH0937413A (ja) * 1995-07-20 1997-02-07 Kimigafuchi Gakuen 磁気浮上走行システムにおける磁気レールの取付機構
DE19734703A1 (de) * 1997-08-11 1999-03-11 Thyssen Transrapid System Gmbh Anordnung zur Befestigung von Ausrüstungsteilen am Fahrweg von spurgebundenen Fahrzeugen, insbesondere Magnetschwebebahnen
DE19735471C1 (de) 1997-08-16 1999-01-07 Stahlbau Lavis Gmbh Fahrwegelement
DE19931367A1 (de) 1999-07-07 2001-01-11 Stahlbau Plauen Gmbh Fahrwegträger

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7334526B2 (en) 2004-03-11 2008-02-26 Siemens Aktiengesllschaft Method for securing a laminated core for the stator winding of a linear motor to the track
WO2008061735A1 (fr) * 2006-11-22 2008-05-29 Industrieanlagen-Betriebsgesellschaft Mbh Élément longitudinal de voie ferrée magnétique, voie ferrée magnétique avec un tel élément longitudinal et procédé de fixation d'un tel élément longitudinal ou plus
WO2010017889A1 (fr) * 2008-08-15 2010-02-18 Thyssenkrupp Transrapid Gmbh Support de voie pour véhicules à sustentation magnétique
CN112436708A (zh) * 2019-08-26 2021-03-02 中车株洲电力机车研究所有限公司 直线电机初级铁芯及其制造方法、直线电机初级和直线电机
CN112436708B (zh) * 2019-08-26 2022-04-12 中车株洲电力机车研究所有限公司 直线电机初级铁芯及其制造方法、直线电机初级和直线电机

Also Published As

Publication number Publication date
AU2003294800A1 (en) 2004-06-30
CN1839231B (zh) 2012-02-22
CN1839231A (zh) 2006-09-27
DE10257340A1 (de) 2004-06-24

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